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Property Organism Value Units ID Details
Half life of mRNA of 20S proteasome core protein subunit Budding yeast Saccharomyces cerevisiae 13 (±3) min 104744 Wang Y, Liu CL, Storey JD...
Diffusion Coefficient of Bicoid morphogen in cytoplasm Fruit fly Drosophila melanogaster ~0.3 (±0.1) µm^2/sec 103811 Gregor T, Wieschaus EF...
Outer Membrane thickness Bacteria Escherichia coli 13 (±1.0) nm 100015 Bayer ME. Zones of membrane...
Error rate in transcription Bacteria Escherichia coli 1E-05 (5e-6 - 5e-5) mutation/nucleotide 105212 Ninio J. Connections...
Maximum ATP yield from full oxidation of one molecule of glucose Generic ~29.85 ATP 101778 Rich, PR. The molecular...
Total number of cells in the human body (for a 70 kg adult man) Human Homo sapiens 3e+13 cells/human body 113006 Sender R, Fuchs S, Milo...
Accuracy of DNA synthesis and apparent accuracy of DNA methylation Various DNA synthesis 1 ‘unforced’ error for every 10^7–10^8 bases copied: DNA methylation ~96% N/A 112981 Bird A. Perceptions of...
Average amino acid density Generic ~1310.16 mg/mL 114284 Ming-Tzo Wei et al.,...
Cell volume Bacteria Bacillus subtilis 0.9 µm^3 114922 Jeong JW, Snay J, Ataai...
Terrestrial and oceanic global net primary production (NPP) Biosphere terrestrial 50 - 54%: oceanic 46 - 50 % 115192 Mackinder et al., A repeat...
Body length of the smallest known female spider Spider Anapistula ataecina 0.43 mm 116059 Mammola S, Michalik P...
Number of rRNA genes Bacteria Vibrio natriegens 13 Unitless 100484 Aiyar SE, Gaal T, Gourse...
Extinction rate Birds 132 extinction/million species/year (E/MSY) 113446 Pimm SL et al., The ...
O2 (oxygen) diffusion coefficients in water (25˚C) and luminous bacteria Various water 2,120: bacteria 4 µm^2/sec 115123 MacDougall JD, McCabe...
Estimated total number of species of organisms Biosphere 1e+7 Species 107480 Editor: Dr. Robert A. Meyers...
Leg span of the largest known spider by leg span Spider Heteropoda maxima ≤30 cm 116058 Mammola S, Michalik P...
Total circulating red cell number Human Homo sapiens 2.8e+13 cells 107601 Ballas SK. Erythrocyte...
Global amount of RuBisCO - most abundant protein on Earth Biosphere ~4e+13 grams 103827 R.J. Ellis, 1979, The...
Equilibrium association constant of lac repressor to operator and entropy change (ΔS) for the binding reaction Bacteria Escherichia coli 1e+13 M^-1 equilibrium constant: ΔS for binding reaction + 90cal/mole/deg N/A 114355 Riggs AD, Bourgeois S...
Translation rate of beta-galactosidase in E. coli Bacteria Escherichia coli 14.5 (13-16) aa/s 100233 Dalbow DG, Young R. Synthesis...